for laughs
Only for the sake of fun, excitement, or distraction. Living in such a small, rural town, there wasn't much to do for laughs other than drive around in our car all night. There's a group of kids who go around smashing car windows for laughs. Just for laughs, let's order dessert first.
for kicks and for laughs; for giggles
Fig. for fun; just for entertainment; for no good reason. They didn't mean any harm. They just did it for kicks. We drove over to the next town for laughs.